Included in Relay G90. Easy-to-read LCD screen displays up-to-the-minute battery life data and the active channel number. Bright LEDs offer battery life and audio signal data. TBP12 has Mute and Channel Select buttons for control, and features rugged metal construction. Includes TA4F connector. Can be used with XD-V75, XD-V70, XD-V55, XD-V35, XD-V30, Relay G90, Relay G50 and Relay G30 receivers.